Spark plug · ACDelco

Equivalents for the ACDelco spark plug MR42K

Meet the ACDelco MR42K spark plug : thread 14 mm, heat range very hot, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), reach 9.5 mm. Compare its 31 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.

Technical information ACDelco MR42K spark plug

Resistor
yes
Torque
fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

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What can replace a ACDelco MR42K spark plug?

The ACDelco MR42K is interchangeable with: Champion RJ6C, Denso W20SR-U, Torch G6RC, Champion RJ6C014, Champion RJ6CT04, Champion RJ6C/T04. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the ACDelco MR42K?

Thread 14 mm, Reach 9.5 mm, Heat range Very hot, Gap 1.0mm, Resistor yes, Seat Flat (gasket), Torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.